Description

Phenylalanyl-Norleucyl-Arginyl-Phenylalaninamide is a synthetic tetrapeptide sequence of significant interest in biochemical and pharmaceutical research. This compound matters as a specialized building block for studying peptide-protein interactions, enzyme substrates, and receptor binding mechanisms. It is primarily needed by research institutions and pharmaceutical developers focused on neurobiology, metabolic pathways, and the development of novel therapeutic agents.

Application

• Biochemical Research: Used as a reference standard or substrate in enzymatic studies and proteomics research.
• Pharmaceutical Development: Serves as a key intermediate or pharmacophore in the design and synthesis of novel peptide-based drug candidates.
• Neuroscience Studies: Investigated for potential activity in neurological pathways due to its specific amino acid sequence.
• Cell Signaling Research: Employed in assays to study intracellular signaling cascades and receptor activation.
• Protease Specificity Profiling: Acts as a model peptide to determine the cleavage specificity of various proteases.
• Academic & Institutional Research: Utilized in universities and R&D labs for fundamental studies in peptide chemistry and biology.

Basic Information

Product Name	Phenylalanyl-Norleucyl-Arginyl-Phenylalaninamide
CAS No.	83903-26-8
Molecular Formula	C35H52N10O5
Molecular Weight	692.86 g/mol
Synonyms	Phe-Nle-Arg-Phe-NH2; F-Nle-R-F-NH2; H-Phe-Nle-Arg-Phe-NH2; Tetrapeptide Sequence Phe-Nle-Arg-Phe-amide; L-Phenylalanyl-L-norleucyl-L-arginyl-L-phenylalaninamide; Phenylalanine-Norleucine-Arginine-Phenylalanine Amide; 83903-26-8
EINECS	Contact for details

Quality Control

Our Phenylalanyl-Norleucyl-Arginyl-Phenylalaninamide is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and MS for identity confirmation, to ensure compliance with research-grade standards. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below for long-term stability. This product is hygroscopic (moisture-sensitive) and should be kept in a dry environment. Allow the sealed vial to equilibrate to room temperature before opening to prevent condensation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms
Purity (HPLC)	≥ 95%
Single Impurity (HPLC)	≤ 1.0%
Water Content (KF)	≤ 5.0%
Peptide Content	≥ 80%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.